<template>
  <div class="permission-container">
    <div class="app-container">
      <!-- 表格 -->
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button type="primary" size="small" @click="add(1,'')">添加权限</el-button>
        </div>
        <!-- 树形table -->
        <el-table
          border
          :data="list"
          style="width: 100%; margin-bottom: 20px"
          row-key="id"
          default-expand-all
          :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
        >
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template v-slot="{row}">
              <!-- <el-button v-if="row.type === 1" type="text">添加</el-button> -->
              <el-button :disabled="row.type !== 1" type="text" @click="add(2,row.id)">添加</el-button>
              <el-button type="text" @click="edit(row)">编辑</el-button>
              <el-button type="text" @click="del(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
      <el-dialog :visible.sync="showDialog" :title="isEdit? '编辑内容':'添加内容'" @close="close">
        <!-- 表单内容 -->
        <el-form label-width="100px">
          <el-form-item label="权限名称">
            <el-input v-model="formData.name" />
          </el-form-item>
          <el-form-item label="权限标识">
            <el-input v-model="formData.code" />
          </el-form-item>
          <el-form-item label="权限描述">
            <el-input v-model="formData.description" />
          </el-form-item>
          <el-form-item label="权限启用">
            <el-switch
              v-model="formData.enVisible"
              active-text="启用"
              active-value="1"
              inactive-text="不启用"
              inactive-value="0"
            />
          </el-form-item>
        </el-form>

        <template #footer>
          <div style="text-align: right;">
            <el-button @click="showDialog = false">取消</el-button>
            <el-button type="primary" @click="submit">确定</el-button>
          </div>
        </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>
import { getPermissionList, addPermission, delPermission, updatePermission } from '@/api/permissions'
import arrayToTree from 'array-to-tree'
export default {
  name: 'Permission',
  data() {
    return {
      list: [],
      showDialog: false, // 是否显示弹层
      formData: {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      },
      isEdit: false
    }
  },
  computed: {},
  created() {
    this.loadPermissionList()
  },
  methods: {
    async loadPermissionList() {
      const res = await getPermissionList()
      // console.log(res)
      this.list = res.data
      this.list = arrayToTree(res.data, {
        parentProperty: 'pid',
        customID: 'id'
      })
    },
    add(type, pid) {
      this.showDialog = true
      this.formData.type = type
      this.formData.pid = pid
      this.isEdit = false
    },
    async submit() {
      this.isEdit ? this.doEdit() : this.doAdd()
    },
    async doAdd() {
      await addPermission(this.formData)
      // console.log(res)
      this.loadPermissionList()
      // this.close()
      this.showDialog = false
    },
    async doEdit() {
      await updatePermission(this.formData)
      // console.log(res)
      this.loadPermissionList()
      // this.close()
      this.showDialog = false
    },
    del(id) {
      this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        await delPermission(id)
        this.loadPermissionList()
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    edit(row) {
      this.showDialog = true
      this.isEdit = true
      this.formData = JSON.parse(JSON.stringify(row))
    },
    close() {
      this.formData = {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
    }
  }
}
</script>
<style lang='scss'  scoped>
</style>
